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Finding the Fourth Proportional to 532,634.15, 735,035.12 and 290,917.29

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Solution

The fourth proportional to 532,634.15, 735,035.12 and 290,917.29 is: 401,465.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    532,634.15 : 735,035.12 = 290,917.29 : x
  2. Step 2: Convert to fraction form
    532,634.15/735,035.12 = 290,917.29/x
  3. Step 3: Cross multiply
    532,634.15x = 735,035.12 × 290,917.29
  4. Step 4: Simplify right side
    532,634.15x = 213,834,422,605.18
  5. Step 5: Solve for x
    x = 213,834,422,605.18/532,634.15
  6. Step 6: Final answer
    x = 401,465.85

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.